Hexadecyl dimethyl tertiary amine is an industrial fungicide. Industrial fungicides refer to preparations used in industry to kill or inhibit the growth of microorganisms, and have many applications. Quaternary ammonium salt fungicides are one of the most widely used industrial fungicides, but the quaternary ammonium salt fungicides currently widely used generally have a small molecular weight, have certain physiological toxicity and skin irritation, and will migrate and dissolve during use and be released into the surrounding environment, which may cause damage to organisms and the environment.

Raw materials for producing high-efficiency whitening agents, pesticide emulsifiers, plant growth stimulants, a-naphthaleneacetic acid, surfactants, solvents, etc.; printing and dyeing carriers and heat carriers for polyvinyl chloride fibers and polyester; and determination of the octane number and cetane number of diesel.